Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | GPT-5.1 Codex mini (high) | Qwen3.5 35B A3B (Reasoning) |
|---|---|---|
| Input ($/M tokens) | $0.25 | $0.25 |
| Output ($/M tokens) | $2 | $2 |
Data from Artificial Analysis API — 12 benchmarks
Both models have similar pricing. Check the detailed breakdown above for input vs output token costs.
GPT-5.1 Codex mini (high) wins 8 out of 12 benchmarks compared to 3 for Qwen3.5 35B A3B (Reasoning). See the detailed benchmark chart above for per-category results.
GPT-5.1 Codex mini (high) generates tokens faster at 186 tok/s vs 111 tok/s. However, Qwen3.5 35B A3B (Reasoning) has lower time-to-first-token (1.10s vs 6.58s).
Choose based on your priorities: both are similarly priced, GPT-5.1 Codex mini (high) for stronger benchmark performance, and GPT-5.1 Codex mini (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.